<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
    <script>
        function getRandom(min, max) {
            return Math.floor(Math.random() * (max - min + 1)) + min;
        }
        var color = '#';
        var str = '0123456789ABCDEF'
        for (var i = 0; i < 6; i++) {
            var ox = str[getRandom(0,15)]
            color+=ox;
        }
        console.log(color);
    </script>
</head>

<body>

</body>

</html>